There are 12 inches (in.) in 1 foot (ft). Which expression can be used to find the number of inches in 2.5 feet?
o 2.5ft x 12.7
o 2.560 x 12fm
o 1210.
12in. x 2.57
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the answer is c

Step-by-step explanation:

1,2,3 not functions, 4 is

Step-by-step explanation:

Use the vertical line test... can you draw a vertical line through the graph and only hit 1 point- if so, it is a function- if no it isn't

Graphs 1, and 2 both have places where I would hit two points- so no

graph 3 is a vertical line- so it isn't a function either

graph 4 passes the vertical line test so it is